Welsh Demographic Service Dataset (WDSD)

Administrative information about individuals in Wales that use NHS services; such as address and practice registration history. It replaced the NHS Wales Administrative Register (NHSAR) in 2009. Data drawn from GP practices via Exeter System. This dataset provides linkage from anonymous individual to anonymous residences, thus enable to group households of individuals. The single views are now provisioned to new projects and described here, the metadata for the old three-view WDSD version can be found in a separate legacy metadata entry.